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openSUSE systemd Moderate Escape-to-Host Vulnerability 2026-2809-1

opensuse
Calendar Grey July 9, 2026
Dist Opensuse Esm H88
A systemd update for openSUSE addresses one escape vulnerability and three security fixes to enhance system security.
An update that solves one vulnerability and has three security fixes can now be installed.

Description

This update for systemd fixes the following issue

Security issues fixed:

* CVE-2026-40226: nspawn: escape-to-host via malformed optional config file

(bsc#1261400).

Other updates and bugfixes:

* Import commit 37508f8ec1 (bsc#1267647).

* Import commit c7530fbea3 (bsc#1261982 bsc#1261983).

* Import commit 5c4ed461a7 (bsc#1261982).

* Import commit 4b963df038 (bsc#1261983).

## Special Instructions and Notes:

* Please reboot the system after installing this update.

Topics%20covered

Topics Covered

security advisory moderate security issue OpenSUSE systemd escape-to-host

Patch

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like

YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

* SUSE Linux Enterprise Micro for Rancher 5.4

zypper in -t patch SUSE-SLE-Micro-5.4-2026-2809=1

* SUSE Linux Enterprise Micro 5.4

zypper in -t patch SUSE-SLE-Micro-5.4-2026-2809=1

* SUSE Linux Enterprise Micro for Rancher 5.3

zypper in -t patch SUSE-SLE-Micro-5.3-2026-2809=1

* SUSE Linux Enterprise Micro 5.3

zypper in -t patch SUSE-SLE-Micro-5.3-2026-2809=1

* SUSE Linux Enterprise Micro 5.5

zypper in -t patch SUSE-SLE-Micro-5.5-2026-2809=1

* openSUSE Leap 15.4

zypper in -t patch SUSE-2026-2809=1

Package List

* SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)

* systemd-journal-remote-debuginfo-249.17-150400.8.64.1

* udev-249.17-150400.8.64.1

* systemd-sysvinit-249.17-150400.8.64.1

* systemd-debuginfo-249.17-150400.8.64.1

* systemd-debugsource-249.17-150400.8.64.1

* systemd-container-249.17-150400.8.64.1

* systemd-container-debuginfo-249.17-150400.8.64.1

* systemd-journal-remote-249.17-150400.8.64.1

* udev-debuginfo-249.17-150400.8.64.1

* libsystemd0-249.17-150400.8.64.1

* libudev1-debuginfo-249.17-150400.8.64.1

* libsystemd0-debuginfo-249.17-150400.8.64.1

* libudev1-249.17-150400.8.64.1

* systemd-249.17-150400.8.64.1

* SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)

* systemd-journal-remote-debuginfo-249.17-150400.8.64.1

* udev-249.17-150400.8.64.1

* systemd-sysvinit-249.17-150400.8.64.1

* systemd-debuginfo-249.17-150400.8.64.1

* systemd-debugsource-249.17-150400.8.64.1

* systemd-container-249.17-150400.8.64.1

* systemd-container-debuginfo-249.17-150400.8.64.1

*...

Read the Full Advisory

References

* bsc#1261400

* bsc#1261982

* bsc#1261983

* bsc#1267647

## References:

* https://www.suse.com/security/cve/CVE-2026-40226.html

* https://bugzilla.suse.com/show_bug.cgi?id=1261400

* https://bugzilla.suse.com/show_bug.cgi?id=1261982

* https://bugzilla.suse.com/show_bug.cgi?id=1261983

* https://bugzilla.suse.com/show_bug.cgi?id=1267647

Severity
moderate
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2809-1
Release Date: 2026-07-09T06:08:36Z
Affected Products: * openSUSE Leap 15.4 * SUSE Linux Enterprise Micro 5.3 * SUSE Linux Enterprise Micro 5.4 * SUSE Linux Enterprise Micro 5.5 * SUSE Linux Enterprise Micro for Rancher 5.3 * SUSE Linux Enterprise Micro for Rancher 5.4

Topics%20covered

Topics Covered

security advisory moderate security issue OpenSUSE systemd escape-to-host

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